mirror of https://github.com/facebook/rocksdb.git
37 lines
683 B
C
37 lines
683 B
C
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
||
|
|
||
|
#include <stdlib.h>
|
||
|
#include "leveldb/statistics.h"
|
||
|
#include "port/port.h"
|
||
|
#include "util/mutexlock.h"
|
||
|
|
||
|
namespace leveldb {
|
||
|
|
||
|
class DBStatistics: public Statistics {
|
||
|
public:
|
||
|
DBStatistics() { }
|
||
|
|
||
|
void incNumFileOpens() {
|
||
|
MutexLock l(&mu_);
|
||
|
numFileOpens_++;
|
||
|
}
|
||
|
|
||
|
void incNumFileCloses() {
|
||
|
MutexLock l(&mu_);
|
||
|
numFileCloses_++;
|
||
|
}
|
||
|
|
||
|
void incNumFileErrors() {
|
||
|
MutexLock l(&mu_);
|
||
|
numFileErrors_++;
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
port::Mutex mu_;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
|